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$102+ Cheap flights from Philadelphia (PHL) to Houston

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — HOU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Philadelphia to Houston

Cheapest flights from Philadelphia to Houston
Explore the most affordable flight options available from Philadelphia to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Frontier deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/207:30 am
PHL
-
IAH
1 stop6h 36m
Frontier
Mon 2/236:07 pm
IAH
-
PHL
1 stop5h 54m
Frontier
Deal found 1/27$199
This Frontier deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/64:52 pm
PHL
-
IAH
Nonstop3h 52m
Frontier
Thu 4/97:23 pm
IAH
-
PHL
Nonstop3h 23m
Frontier
Deal found 1/26$200
This CheapOair deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:43 pm
PHL
-
IAH
1 stop13h 35m
Spirit Airlines
Thu 4/97:35 am
IAH
-
PHL
1 stop15h 41m
Spirit Airlines
Deal found 1/28$201
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/16:00 am
PHL
-
IAH
1 stop8h 10m
Multiple Airlines
Sun 2/86:05 am
IAH
-
PHL
1 stop28h 13m
Multiple Airlines
Deal found 1/28$202
This CheapOair deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/67:46 pm
PHL
-
IAH
1 stop16h 25m
Spirit Airlines
Mon 3/95:24 pm
IAH
-
PHL
1 stop22h 02m
Spirit Airlines
Deal found 1/28$203
This CheapOair deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:00 am
PHL
-
IAH
1 stop19h 18m
Spirit Airlines
Mon 3/95:24 pm
IAH
-
PHL
1 stop22h 02m
Spirit Airlines
Deal found 1/28$204
This Super.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:29 pm
PHL
-
IAH
Nonstop3h 52m
Frontier
Mon 5/117:16 pm
IAH
-
PHL
Nonstop3h 23m
Frontier
Deal found 1/27$205
This Kiwi.com deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/65:30 am
PHL
-
IAH
1 stop6h 41m
Multiple Airlines
Sun 2/86:05 am
IAH
-
PHL
1 stop17h 47m
Multiple Airlines
Deal found 1/29$206
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:40 am
PHL
-
IAH
1 stop6h 32m
Frontier
Mon 3/99:03 pm
IAH
-
PHL
2 stops12h 39m
Frontier
Deal found 1/28$207
This Frontier deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/23:36 pm
PHL
-
IAH
Nonstop3h 52m
Frontier
Mon 4/68:39 pm
IAH
-
PHL
Nonstop3h 23m
Frontier
Deal found 1/27$208
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:57 pm
PHL
-
IAH
1 stop7h 02m
Spirit Airlines
Wed 8/2612:15 pm
IAH
-
PHL
1 stop6h 49m
Spirit Airlines
Deal found 1/28$209
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:30 am
PHL
-
IAH
1 stop12h 42m
Frontier
Sun 2/225:45 am
IAH
-
PHL
1 stop18h 16m
Frontier
Deal found 1/28$210

Find flight deals from Philadelphia to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 29, 2026.

Round-trip from

$199
(Frontier)

One-way from

$102
(Super.com)

Popular in

April

Cheapest in

September

Average price

$314
From Philadelphia to Houston
Search Deals
One-way flight from Philadelphia to Houston
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Philadelphia to Houston that are best for you.

Fly from

Philadelphia

Fly to

Houston

Route

Depart

Return

Price

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 3/11

5:45 am-8:42 am

Nonstop3h 57m

Houston George Bush Intcntl

Sat 3/14

6:47 pm-11:04 pm

Nonstop3h 17m

$239

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 4/29

8:00 am-10:46 am

Nonstop3h 46m

Houston George Bush Intcntl

Sat 5/2

6:10 pm-10:34 pm

Nonstop3h 24m

$239

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 4/22

8:25 pm-8:46 am

2 stops13h 21m

Houston George Bush Intcntl

Thu 4/30

12:05 pm-10:59 pm

1 stop9h 54m

$240

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 4/3

7:59 pm-10:49 pm

Nonstop3h 50m

Houston George Bush Intcntl

Tue 4/7

6:03 pm-10:25 pm

Nonstop3h 22m

$244

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 4/7

7:59 pm-10:49 pm

Nonstop3h 50m

Houston George Bush Intcntl

Mon 4/13

6:03 pm-10:25 pm

Nonstop3h 22m

$244

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 3/25

6:59 pm-9:57 pm

Nonstop3h 58m

Houston George Bush Intcntl

Mon 3/30

6:03 pm-10:25 pm

Nonstop3h 22m

$244

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 2/25

12:44 pm-3:40 pm

Nonstop3h 56m

Houston George Bush Intcntl

Wed 3/4

12:25 pm-4:42 pm

Nonstop3h 17m

$244

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 4/8

12:55 pm-3:40 pm

Nonstop3h 45m

Houston George Bush Intcntl

Tue 4/14

7:20 am-2:16 pm

1 stop5h 56m

$245

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 7/9

12:51 pm-3:24 pm

Nonstop3h 33m

Houston George Bush Intcntl

Fri 7/24

6:05 pm-10:25 pm

Nonstop3h 20m

$249

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 3/11

6:59 pm-9:57 pm

Nonstop3h 58m

Houston George Bush Intcntl

Wed 3/25

7:20 am-2:24 pm

1 stop6h 04m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 42 results
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Best time to book a flight from Philadelphia to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Houston

How far ahead should I book a flight from Philadelphia to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Houston. Price data was last updated on January 23, 2026.

The best time to book flights from Philadelphia to Houston is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Philadelphia to Houston?

Currently, October is the cheapest month in which you can book a flight from Philadelphia to Houston (average of $65). Flying from Philadelphia to Houston in December is currently the most expensive (average of $130). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to HOU?

Find hourly flight availability from Philadelphia to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

One of the essential ways to save on airfare from Philadelphia to Houston is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 34% on airfare.

What is the cheapest day to fly from Philadelphia to Houston?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Houston. Price data was last updated on October 5, 2025.

Travelers seeking maximum savings on their Philadelphia to Houston flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Philadelphia to Houston flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Philadelphia to Houston trip
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
Mark Chesnut

Mark Chesnut

Expert on PHL

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated January 29, 2026.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and American Airlines from Philadelphia to Houston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,215 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,205 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,394 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
3,056 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to Houston?

    Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Philadelphia to Houston. 6 airlines have flights from Philadelphia to Houston on a regular basis. Booking flights from Philadelphia to Houston should not be difficult; the airport handles an average of 0 outbound flights to Houston per day.

  • How long is the flight from Philadelphia to Houston?

    A quick flight from Philadelphia to Houston can take about 3h 57m. United Airlines provides one of the quickest options available for as low as $239. The distance from Philadelphia to Houston is about 1322 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Philadelphia to Houston round-trip?

    Flying on Spirit Airlines is currently your cheapest option to Houston, with prices starting at $82. Additional round-trip tickets that might be worth considering are offered by Frontier and Southwest, with the lowest prices starting at $103 and $171, respectively. These flights start at 74% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Philadelphia to Houston one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $56. Users have also found prices from $69 and $95 on Frontier and Southwest, respectively.

  • Can I find deals for flights from Philadelphia to Houston that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Houston.

  • Can I find deals for business class flights from Philadelphia to Houston?

    Yes. Cheapflights offers flight deals from Philadelphia to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to Houston?

    Currently, October is the cheapest month in which you can book a flight from Philadelphia to Houston (average of $65). Flying from Philadelphia to Houston in December is currently the most expensive (average of $130). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Philadelphia to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Philadelphia to Houston

Discover the top 6 airlines that operate flights from Philadelphia to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$82Average$185FlexibilityNo cancel feeOn-time65%
FrontierCheapest$103Average$210FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$171Average$303FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$214Average$410FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$219Average$373FlexibilityNo cancel feeOn-time69%
DeltaCheapest$236Average$307FlexibilityNo cancel feeOn-timeN/A

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